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SINUSITIS (SINUS INFECTION) Sinusitis is common. But many people who have it use treatments that aren't likely to help. So before you run to the drugstore, you’ll want to be sure you know how to handle this condition. The sinuses are small cavities in the skull that are normally filled with air. They make mucus, which helps keep the nasal passages clear of allergens and pollutants. Sinusitis is an inflammation of the tissue that lines these cavities. In some cases, this swelling blocks off the sinuses, trapping mucus and air inside them. This can cause pain and pressure. Sometimes, it can lead to a bacterial infection. Acute vs. Chronic Acute sinusitis lasts up to 4 weeks. Chronic sinusitis lasts at least several weeks and can linger for years. Its cause can be hard to pin down -- and hard to treat. Sinusitis might start because of a cold or allergies. Fungus can cause it for people who have weak immune systems. Sometimes, chronic sinusitis is due...

Acute Upper Respiratory Infection (URI) An acute URI is a contagious infection of your upper respiratory tract. Your upper respiratory tract includes the nose, throat, pharynx, larynx, and bronchi. Without a doubt, the common cold is the most well-known URI. Other types of URIs include sinusitis, pharyngitis, epiglottitis, and tracheobronchitis. Influenza, on the other hand, isn’t an URI because it’s a systemic illness. Types of acute upper respiratory infection: 1.        Common Cold 2.        Sinusitis - inflammation of the sinuses. 3.        Epiglottitis - inflammation of the epiglottis, the upper part of your trachea. It protects the airway from foreign particles that could get into the lungs. Swelling of the epiglottis is dangerous because it can block the flow of air into the trachea. 4.        Laryngitis - inflammation of the larynx or voice...